61616560

素因数分解:

$2^4\times 5^1\times {\mathrm{770207}}^1$

素因数の和:770220

約数の個数: 20

約数和(自身を含む): 143258688

約数和(自身を除く): 81642128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 770207, 1540414, 3080828, 3851035, 6161656, 7702070, 12323312, 15404140, 30808280, 61616560]

約数ペア:

[(1, 61616560), (2, 30808280), (4, 15404140), (5, 12323312), (8, 7702070), (10, 6161656), (16, 3851035), (20, 3080828), (40, 1540414), (80, 770207)]